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package main
import (	"bufio"	"encoding/json"	"fmt"	"net"	"strconv"	"strings")
const separator = "#";const endOfMessage = '\n';
func server() {	ln, err := net.Listen("tcp", ":4500")	if err != nil {		fmt.Println(err)		return	}	for {		c, err := ln.Accept()		if err != nil {			fmt.Println(err)			continue		}
		println("new connect")
		go handleServerConnection(c)	}}
type JsonType struct {	Array []int}
func handleServerConnection(c net.Conn) {	for {		message, _ := bufio.NewReader(c).ReadString(endOfMessage)
		req := strings.Split(message, separator);		pattern := req[0];		data := req[1];
		arr := JsonType{}		err := json.Unmarshal([]byte(data), &arr.Array)
		if err != nil {			fmt.Println(err)			return		}
		response := strconv.Itoa(sum(arr))
		c.Write([]byte(pattern + separator + response  + "\n"))	}}
func sum(json JsonType) int {	result := 0	for _, v := range json.Array {		result += v	}	return result}
func main() {	server();}